1 <html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>Appendix A. GNU General Public License</title><link rel="stylesheet" href="samba.css" type="text/css"><meta name="generator" content="DocBook XSL Stylesheets V1.68.1"><link rel="start" href="index.html" title="The Official Samba-3 HOWTO and Reference Guide"><link rel="up" href="index.html" title="The Official Samba-3 HOWTO and Reference Guide"><link rel="prev" href="DNSDHCP.html" title="Chapter 46. DNS and DHCP Configuration Guide"><link rel="next" href="go01.html" title="Glossary"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">Appendix A. GNU General Public License</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="DNSDHCP.html">Prev</a> </td><th width="60%" align="center"> </th><td width="20%" align="right"> <a accesskey="n" href="go01.html">Next</a></td></tr></table><hr></div><div class="appendix" lang="en"><div class="titlepage"><div><div><h1 class="title"><a name="gpl"></a>GNU General Public License</h1></div><div><p class="releaseinfo"> Version 2, June 1991</p></div><div><p class="copyright">Copyright © 1989, 1991 Free Software Foundation, Inc.</p></div><div><div class="legalnotice"><a name="gpl-legalnotice"></a><p>
2 </p><div class="address"><p>Free Software Foundation, Inc. <br>
3 <span class="street">51 Franklin Street, Fifth Floor</span>, <br>
4 <span class="city">Boston</span>, <br>
5 <span class="state">MA</span> <br>
6 <span class="postcode">02110-1301</span><br>
7 <span class="country">USA</span><br>
9 </p><p> Everyone is permitted to copy and distribute verbatim copies of this license document, but changing it is not allowed.
10 </p></div></div><div><p class="pubdate">Version 2, June 1991</p></div></div></div><div class="toc"><p><b>Table of Contents</b></p><dl><dt><span class="sect1"><a href="gpl.html#gpl-1">Preamble</a></span></dt><dt><span class="sect1"><a href="gpl.html#gpl-2">TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION</a></span></dt><dd><dl><dt><span class="sect2"><a href="gpl.html#gpl-2-0">Section 0</a></span></dt><dt><span class="sect2"><a href="gpl.html#gpl-2-1">Section 1</a></span></dt><dt><span class="sect2"><a href="gpl.html#gpl-2-2">Section 2</a></span></dt><dt><span class="sect2"><a href="gpl.html#gpl-2-3">Section 3
11 </a></span></dt><dt><span class="sect2"><a href="gpl.html#gpl-2-4">Section 4
12 </a></span></dt><dt><span class="sect2"><a href="gpl.html#gpl-2-5">Section 5
13 </a></span></dt><dt><span class="sect2"><a href="gpl.html#gpl-2-6">Section 6
14 </a></span></dt><dt><span class="sect2"><a href="gpl.html#gpl-2-7">Section 7
15 </a></span></dt><dt><span class="sect2"><a href="gpl.html#gpl-2-8">Section 8
16 </a></span></dt><dt><span class="sect2"><a href="gpl.html#gpl-2-9">Section 9
17 </a></span></dt><dt><span class="sect2"><a href="gpl.html#gpl-2-10">Section 10
18 </a></span></dt><dt><span class="sect2"><a href="gpl.html#gpl-2-11">NO WARRANTY Section 11
19 </a></span></dt><dt><span class="sect2"><a href="gpl.html#gpl-2-12">Section 12
20 </a></span></dt></dl></dd><dt><span class="sect1"><a href="gpl.html#gpl-3">How to Apply These Terms to Your New Programs
21 </a></span></dt></dl></div><div class="sect1" lang="en"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="gpl-1"></a>Preamble</h2></div></div></div><p> The licenses for most software are designed to take away your
22 freedom to share and change it. By contrast, the GNU General Public License is
23 intended to guarantee your freedom to share and change
24 free software - to make sure the software is free for all its users.
25 This General Public License applies to most of the Free Software
26 Foundation's software and to any other program whose authors commit
27 to using it. (Some other Free Software Foundation software is covered
28 by the GNU Library General Public License instead.) You can apply it
29 to your programs, too.
30 </p><p> When we speak of free software, we are referring to freedom, not price.
31 Our General Public Licenses are designed to make sure that you have the
32 freedom to distribute copies of free software (and charge for this
33 service if you wish), that you receive source code or can get it if you
34 want it, that you can change the software or use pieces of it in new free
35 programs; and that you know you can do these things.
36 </p><p> To protect your rights, we need to make restrictions that forbid anyone
37 to deny you these rights or to ask you to surrender the rights. These
38 restrictions translate to certain responsibilities for you if you distribute
39 copies of the software, or if you modify it.
40 </p><p> For example, if you distribute copies of such a program, whether gratis or
41 for a fee, you must give the recipients all the rights that you have. You
42 must make sure that they, too, receive or can get the source code. And you
43 must show them these terms so they know their rights.
44 </p><p> We protect your rights with two steps:
45 </p><div class="orderedlist"><ol type="1"><li><p> copyright the software, and
46 </p></li><li><p> offer you this license which gives you legal permission to copy,
47 distribute and/or modify the software.
48 </p></li></ol></div><p>
49 </p><p> Also, for each author's protection and ours, we want to make certain that
50 everyone understands that there is no warranty for this free software. If
51 the software is modified by someone else and passed on, we want its
52 recipients to know that what they have is not the original, so that any
53 problems introduced by others will not reflect on the original authors'
55 </p><p> Finally, any free program is threatened constantly by software patents.
56 We wish to avoid the danger that redistributors of a free program will
57 individually obtain patent licenses, in effect making the program
58 proprietary. To prevent this, we have made it clear that any patent must be
59 licensed for everyone's free use or not licensed at all.
60 </p><p> The precise terms and conditions for copying, distribution and modification
62 </p></div><div class="sect1" lang="en"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="gpl-2"></a>TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION</h2></div></div></div><div class="sect2" lang="en"><div class="titlepage"><div><div><h3 class="title"><a name="gpl-2-0"></a>Section 0</h3></div></div></div><p> This License applies to any program or other work which contains a notice
63 placed by the copyright holder saying it may be distributed under the terms
64 of this General Public License. The "Program", below, refers to any such
65 program or work, and a
66 “<span class="quote">work based on the Program
67 </span>” means either
68 the Program or any derivative work under copyright law: that is to say, a
69 work containing the Program or a portion of it, either verbatim or with
70 modifications and/or translated into another language. (Hereinafter, translation
71 is included without limitation in the term
72 “<span class="quote">modification
73 </span>”.) Each licensee is addressed as “<span class="quote">you</span>”.
74 </p><p> Activities other than copying, distribution and modification are not covered by
75 this License; they are outside its scope. The act of running the Program is not
76 restricted, and the output from the Program is covered only if its contents
77 constitute a work based on the Program (independent of having been made by running
78 the Program). Whether that is true depends on what the Program does.
79 </p></div><div class="sect2" lang="en"><div class="titlepage"><div><div><h3 class="title"><a name="gpl-2-1"></a>Section 1</h3></div></div></div><p> You may copy and distribute verbatim copies of the Program's source code as you
80 receive it, in any medium, provided that you conspicuously and appropriately
81 publish on each copy an appropriate copyright notice and disclaimer of warranty;
82 keep intact all the notices that refer to this License and to the absence of any
83 warranty; and give any other recipients of the Program a copy of this License
84 along with the Program.
85 </p><p> You may charge a fee for the physical act of transferring a copy, and you may at
86 your option offer warranty protection in exchange for a fee.
87 </p></div><div class="sect2" lang="en"><div class="titlepage"><div><div><h3 class="title"><a name="gpl-2-2"></a>Section 2</h3></div></div></div><p> You may modify your copy or copies of the Program or any portion of it, thus
88 forming a work based on the Program, and copy and distribute such modifications
89 or work under the terms of
90 <a href="gpl.html#gpl-2-1" title="Section 1">Section 1
92 that you also meet all of these conditions:
93 </p><div class="orderedlist"><ol type="1"><li><p> You must cause the modified files to carry prominent notices stating that
94 you changed the files and the date of any change.
95 </p></li><li><p> You must cause any work that you distribute or publish, that in whole or
96 in part contains or is derived from the Program or any part thereof, to be
97 licensed as a whole at no charge to all third parties under the terms of
99 </p></li><li><p> If the modified program normally reads commands interactively when run, you
100 must cause it, when started running for such interactive use in the most
101 ordinary way, to print or display an announcement including an appropriate
102 copyright notice and a notice that there is no warranty (or else, saying
103 that you provide a warranty) and that users may redistribute the program
104 under these conditions, and telling the user how to view a copy of this
106 </p><div class="note" style="margin-left: 0.5in; margin-right: 0.5in;"><h3 class="title">Exception:
107 </h3><p> If the Program itself is interactive but does not normally print such an
108 announcement, your work based on the Program is not required to print an
111 </p></li></ol></div><p>
112 </p><p> These requirements apply to the modified work as a whole. If identifiable sections
113 of that work are not derived from the Program, and can be reasonably considered
114 independent and separate works in themselves, then this License, and its terms,
115 do not apply to those sections when you distribute them as separate works. But when
116 you distribute the same sections as part of a whole which is a work based on the
117 Program, the distribution of the whole must be on the terms of this License, whose
118 permissions for other licensees extend to the entire whole, and thus to each and
119 every part regardless of who wrote it.
120 </p><p> Thus, it is not the intent of this section to claim rights or contest your rights
121 to work written entirely by you; rather, the intent is to exercise the right to control
122 the distribution of derivative or collective works based on the Program.
123 </p><p> In addition, mere aggregation of another work not based on the Program with the Program
124 (or with a work based on the Program) on a volume of a storage or distribution medium
125 does not bring the other work under the scope of this License.
126 </p></div><div class="sect2" lang="en"><div class="titlepage"><div><div><h3 class="title"><a name="gpl-2-3"></a>Section 3
127 </h3></div></div></div><p> You may copy and distribute the Program (or a work based on it, under
128 <a href="gpl.html#gpl-2-2" title="Section 2">Section 2
129 </a> in object code or executable form under the terms of
130 <a href="gpl.html#gpl-2-1" title="Section 1">Sections 1
132 <a href="gpl.html#gpl-2-2" title="Section 2">2
133 </a> above provided that you also do one of the following:
134 </p><div class="orderedlist"><ol type="1"><li><p> Accompany it with the complete corresponding machine-readable source code, which
135 must be distributed under the terms of Sections 1 and 2 above on a medium
136 customarily used for software interchange; or,
137 </p></li><li><p> Accompany it with a written offer, valid for at least three years, to give any
138 third party, for a charge no more than your cost of physically performing source
139 distribution, a complete machine-readable copy of the corresponding source code,
140 to be distributed under the terms of Sections 1 and 2 above on a medium customarily
141 used for software interchange; or,
142 </p></li><li><p> Accompany it with the information you received as to the offer to distribute
143 corresponding source code. (This alternative is allowed only for noncommercial
144 distribution and only if you received the program in object code or executable form
145 with such an offer, in accord with Subsection b above.)
146 </p></li></ol></div><p>
147 </p><p> The source code for a work means the preferred form of the work for making modifications
148 to it. For an executable work, complete source code means all the source code for all modules
149 it contains, plus any associated interface definition files, plus the scripts used to control
150 compilation and installation of the executable. However, as a special exception, the source
151 code distributed need not include anything that is normally distributed (in either source or
152 binary form) with the major components (compiler, kernel, and so on) of the operating system
153 on which the executable runs, unless that component itself accompanies the executable.
154 </p><p> If distribution of executable or object code is made by offering access to copy from a
155 designated place, then offering equivalent access to copy the source code from the same place
156 counts as distribution of the source code, even though third parties are not compelled to
157 copy the source along with the object code.
158 </p></div><div class="sect2" lang="en"><div class="titlepage"><div><div><h3 class="title"><a name="gpl-2-4"></a>Section 4
159 </h3></div></div></div><p> You may not copy, modify, sublicense, or distribute the Program except as expressly provided
160 under this License. Any attempt otherwise to copy, modify, sublicense or distribute the
161 Program is void, and will automatically terminate your rights under this License. However,
162 parties who have received copies, or rights, from you under this License will not have their
163 licenses terminated so long as such parties remain in full compliance.
164 </p></div><div class="sect2" lang="en"><div class="titlepage"><div><div><h3 class="title"><a name="gpl-2-5"></a>Section 5
165 </h3></div></div></div><p> You are not required to accept this License, since you have not signed it. However, nothing
166 else grants you permission to modify or distribute the Program or its derivative works.
167 These actions are prohibited by law if you do not accept this License. Therefore, by modifying
168 or distributing the Program (or any work based on the Program), you indicate your acceptance
169 of this License to do so, and all its terms and conditions for copying, distributing or
170 modifying the Program or works based on it.
171 </p></div><div class="sect2" lang="en"><div class="titlepage"><div><div><h3 class="title"><a name="gpl-2-6"></a>Section 6
172 </h3></div></div></div><p> Each time you redistribute the Program (or any work based on the Program), the recipient
173 automatically receives a license from the original licensor to copy, distribute or modify
174 the Program subject to these terms and conditions. You may not impose any further restrictions
175 on the recipients' exercise of the rights granted herein. You are not responsible for enforcing
176 compliance by third parties to this License.
177 </p></div><div class="sect2" lang="en"><div class="titlepage"><div><div><h3 class="title"><a name="gpl-2-7"></a>Section 7
178 </h3></div></div></div><p> If, as a consequence of a court judgment or allegation of patent infringement or for any other
179 reason (not limited to patent issues), conditions are imposed on you (whether by court order,
180 agreement or otherwise) that contradict the conditions of this License, they do not excuse you
181 from the conditions of this License. If you cannot distribute so as to satisfy simultaneously
182 your obligations under this License and any other pertinent obligations, then as a consequence
183 you may not distribute the Program at all. For example, if a patent license would not permit
184 royalty-free redistribution of the Program by all those who receive copies directly or
185 indirectly through you, then the only way you could satisfy both it and this License would be
186 to refrain entirely from distribution of the Program.
187 </p><p> If any portion of this section is held invalid or unenforceable under any particular circumstance,
188 the balance of the section is intended to apply and the section as a whole is intended to apply
189 in other circumstances.
190 </p><p> It is not the purpose of this section to induce you to infringe any patents or other property
191 right claims or to contest validity of any such claims; this section has the sole purpose of
192 protecting the integrity of the free software distribution system, which is implemented by public
193 license practices. Many people have made generous contributions to the wide range of software
194 distributed through that system in reliance on consistent application of that system; it is up
195 to the author/donor to decide if he or she is willing to distribute software through any other
196 system and a licensee cannot impose that choice.
197 </p><p> This section is intended to make thoroughly clear what is believed to be a consequence of the
198 rest of this License.
199 </p></div><div class="sect2" lang="en"><div class="titlepage"><div><div><h3 class="title"><a name="gpl-2-8"></a>Section 8
200 </h3></div></div></div><p> If the distribution and/or use of the Program is restricted in certain countries either by patents
201 or by copyrighted interfaces, the original copyright holder who places the Program under this License
202 may add an explicit geographical distribution limitation excluding those countries, so that
203 distribution is permitted only in or among countries not thus excluded. In such case, this License
204 incorporates the limitation as if written in the body of this License.
205 </p></div><div class="sect2" lang="en"><div class="titlepage"><div><div><h3 class="title"><a name="gpl-2-9"></a>Section 9
206 </h3></div></div></div><p> The Free Software Foundation may publish revised and/or new versions of the General Public License
207 from time to time. Such new versions will be similar in spirit to the present version, but may differ
208 in detail to address new problems or concerns.
209 </p><p> Each version is given a distinguishing version number. If the Program specifies a version number of
210 this License which applies to it and "any later version", you have the option of following the terms
211 and conditions either of that version or of any later version published by the Free Software
212 Foundation. If the Program does not specify a version number of this License, you may choose any
213 version ever published by the Free Software Foundation.
214 </p></div><div class="sect2" lang="en"><div class="titlepage"><div><div><h3 class="title"><a name="gpl-2-10"></a>Section 10
215 </h3></div></div></div><p> If you wish to incorporate parts of the Program into other free programs whose distribution
216 conditions are different, write to the author to ask for permission. For software which is copyrighted
217 by the Free Software Foundation, write to the Free Software Foundation; we sometimes make exceptions
218 for this. Our decision will be guided by the two goals of preserving the free status of all
219 derivatives of our free software and of promoting the sharing and reuse of software generally.
220 </p></div><div class="sect2" lang="en"><div class="titlepage"><div><div><h3 class="title"><a name="gpl-2-11"></a>NO WARRANTY Section 11
221 </h3></div></div></div><p> BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT
222 PERMITTED BY APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR
223 OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED,
224 INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
225 PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE
226 PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
227 </p></div><div class="sect2" lang="en"><div class="titlepage"><div><div><h3 class="title"><a name="gpl-2-12"></a>Section 12
228 </h3></div></div></div><p> IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING WILL ANY COPYRIGHT HOLDER, OR
229 ANY OTHER PARTY WHO MAY MODIFY AND/OR REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU
230 FOR DAMAGES, INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
231 USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA BEING RENDERED
232 INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH
233 ANY OTHER PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
235 </p><p>END OF TERMS AND CONDITIONS
236 </p></div></div><div class="sect1" lang="en"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="gpl-3"></a>How to Apply These Terms to Your New Programs
237 </h2></div></div></div><p>
238 If you develop a new program, and you want it to be of the greatest
239 possible use to the public, the best way to achieve this is to make it
240 free software which everyone can redistribute and change under these terms.
242 To do so, attach the following notices to the program. It is safest
243 to attach them to the start of each source file to most effectively
244 convey the exclusion of warranty; and each file should have at least
245 the "copyright" line and a pointer to where the full notice is found.
247 <one line to give the program's name and a brief idea of what it does.>
248 Copyright (C) <year> <name of author>
250 This program is free software; you can redistribute it and/or modify
251 it under the terms of the GNU General Public License as published by
252 the Free Software Foundation; either version 2 of the License, or
253 (at your option) any later version.
255 This program is distributed in the hope that it will be useful,
256 but WITHOUT ANY WARRANTY; without even the implied warranty of
257 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
258 GNU General Public License for more details.
260 You should have received a copy of the GNU General Public License
261 along with this program; if not, write to the Free Software
262 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
264 Also add information on how to contact you by electronic and paper mail.
266 If the program is interactive, make it output a short notice like this
267 when it starts in an interactive mode:
269 Gnomovision version 69, Copyright (C) year name of author
270 Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
271 This is free software, and you are welcome to redistribute it
272 under certain conditions; type `show c' for details.
274 The hypothetical commands `show w' and `show c' should show the appropriate
275 parts of the General Public License. Of course, the commands you use may
276 be called something other than `show w' and `show c'; they could even be
277 mouse-clicks or menu items--whatever suits your program.
279 You should also get your employer (if you work as a programmer) or your
280 school, if any, to sign a "copyright disclaimer" for the program, if
281 necessary. Here is a sample; alter the names:
283 Yoyodyne, Inc., hereby disclaims all copyright interest in the program
284 `Gnomovision' (which makes passes at compilers) written by James Hacker.
286 <signature of Ty Coon>, 1 April 1989
287 Ty Coon, President of Vice
289 This General Public License does not permit incorporating your program into
290 proprietary programs. If your program is a subroutine library, you may
291 consider it more useful to permit linking proprietary applications with the
292 library. If this is what you want to do, use the GNU Library General
293 Public License instead of this License.
294 </p></div></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="DNSDHCP.html">Prev</a> </td><td width="20%" align="center"> </td><td width="40%" align="right"> <a accesskey="n" href="go01.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top">Chapter 46. DNS and DHCP Configuration Guide </td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top"> Glossary</td></tr></table></div></body></html>
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